ba5406.pdf

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11016642 UNPDF
Audio ICs
12V / 5W dual power amplifier
BA5406
The BA5406 is a dual-OTL monolithic power IC with two high-output, low-frequency power amplifiers. With a 12V power
supply, it has a rated output of 5W
2 into a 3
load, and with a 9V power supply, it has a rated output of 2.8W
2
load.
The BA5406 has good low-voltage characteristics, and the “pop” sound when power is applied is small. It generates little
radio-band noise, and is ideal for use in stereo radio cassette players.
W
Applications
Stereo radio cassette players, stereo component systems, and TVs.
Features
1) Small “pop” noise.
2) Good low voltage characteristics. Begins operating
V CC = 5V (Typ.).
3) Good channel balance.
4) Good distortion characteristics
(THD = 0.3% when P O = 0.5W).
5) Easy-to-mount 12-pin SIP-M package that requires
little PCB space.
6) The ripple filter pin (pin 6) can be used for muting (by
setting it to ground potential).
7) Symmetrical pin assignments simplifies PCB art-
work.
8) Package has low thermal resistance to simplify
heatsink design.
9) Built-in treble phase compensation capacitors.
10) Low radio-band noise generated. Can be freely
positioned in the set.
Block diagram
390
W
into a 3
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Audio ICs
BA5406
Internal circuit configuration
Absolute maximum ratings (Ta = 25C)
Recommended operating conditions (Ta = 25
C)
Electrical characteristics (unless otherwise noted, Ta = 25C and V CC = 12V)
391
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Audio ICs
BA5406
Measurement circuit
Application example
392
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Audio ICs
BA5406
Electrical characteristics curves
393
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Audio ICs
BA5406
External dimensions (Units: mm)
394
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